功率型LiFePO_4锂离子电池正极材料的设计与制备研究进展  

Research Progress of Design and Preparation in LiFePO_4 Cathode Material for Power Li-ion Batteries

作　　者：朱敏[1] 盘毅[1] 郑春满[1] 

机构地区：[1]国防科技大学航天与材料工程学院,长沙410073

出　　处：《材料导报》2012年第17期143-149,共7页Materials Reports

基　　金：国家973资助项目(5130702002);国防科技大学校预研项目(JC08-01-06)

摘　　要：随着电动汽车和武器装备的发展,对功率型锂离子电池的需求越来越迫切,不断改善和提高正极材料的高倍率放电性能,成为当前国内外学者的研究重点。以磷酸铁锂正极材料为切入点,介绍了磷酸铁锂的结构特点与脱嵌锂机理及制备方法,分析了其作为功率型锂离子电池正极材料的优势与不足,并从研究的角度综述了其改性进展,指出了各改性方法存在的问题,着重从形貌控制的角度阐述了其原理与国内外研究情况,展望了功率型磷酸铁锂锂离子电池的发展趋势和应用前景。With the development of electric vehicle and weapon, the power Li-ion battery is gradually become the key unit. More and more focus is put on the study of improving the high-rate performance of the cathode material. The structure and insertion mechanism of the LiFePO4 is introduced. The advantages and disadvantages of LiFePO4 for power Li-ion battery are analyzed. The research progress is summarized detailedly and problems are pointed out. Thereinto, structure control is emphasized. The application and future trends of LiFePO4 material for power Li-ion ba- tteries are discussed.

关 键 词：功率型 磷酸铁锂 锂离子电池 形貌控制 

分 类 号：TM911[电气工程—电力电子与电力传动]